From 69f5a5718b6a5d9dd30dea5c2d31bfdf1d3fca71 Mon Sep 17 00:00:00 2001 From: Kevin Huang Date: Tue, 29 Apr 2014 16:47:57 -0700 Subject: gpu: nvgpu: gm20b: add ltc isr Bug 1507804 Change-Id: Ic58e21f4d995cf4f4fc7bb5fc6ec84a6c4d25d46 Signed-off-by: Kevin Huang Reviewed-on: http://git-master/r/403214 Reviewed-by: Terje Bergstrom Tested-by: Terje Bergstrom --- drivers/gpu/nvgpu/gm20b/ltc_gm20b.c | 10 ++++++++++ 1 file changed, 10 insertions(+) (limited to 'drivers/gpu/nvgpu/gm20b/ltc_gm20b.c') diff --git a/drivers/gpu/nvgpu/gm20b/ltc_gm20b.c b/drivers/gpu/nvgpu/gm20b/ltc_gm20b.c index 07d405b2..5da21c64 100644 --- a/drivers/gpu/nvgpu/gm20b/ltc_gm20b.c +++ b/drivers/gpu/nvgpu/gm20b/ltc_gm20b.c @@ -184,6 +184,15 @@ static void gm20b_ltc_init_fs_state(struct gk20a *g) ltc_ltcs_ltss_dstg_cfg0_vdc_4to2_disable_m()); } +void gm20b_ltc_isr(struct gk20a *g) +{ + u32 intr; + + intr = gk20a_readl(g, ltc_ltc0_ltss_intr_r()); + gk20a_err(dev_from_gk20a(g), "ltc: %08x\n", intr); + gk20a_writel(g, ltc_ltc0_ltss_intr_r(), intr); +} + void gm20b_init_ltc(struct gpu_ops *gops) { /* Gk20a reused ops. */ @@ -201,4 +210,5 @@ void gm20b_init_ltc(struct gpu_ops *gops) gops->ltc.init_comptags = gm20b_ltc_init_comptags; gops->ltc.cbc_ctrl = gm20b_ltc_cbc_ctrl; gops->ltc.elpg_flush = gk20a_mm_g_elpg_flush_locked; + gops->ltc.isr = gm20b_ltc_isr; } -- cgit v1.2.2